问题
选择题
Advertising is different from other forms of communication in that the advertiser pays for the message _____. [ ]
A. to deliver
B. delivered
C. to be delivered
D. delivering
答案
答案:C
Advertising is different from other forms of communication in that the advertiser pays for the message _____. [ ]
A. to deliver
B. delivered
C. to be delivered
D. delivering
答案:C
某电脑专卖店2002年1~12月电脑销售量如表2-3所示。
表2-3 某电脑专卖店2006年电脑销售量表
时间 | 序号(t) | 实际销售量xi(台) |
2006.1 | 1 | 60 |
2006.2 | 2 | 53 |
2006.3 | 3 | 44 |
2006.4 | 4 | 30 |
2006.5 | 5 | 56 |
2006.6 | 6 | 54 |
2006.7 | 7 | 48 |
2006.8 | 8 | 65 |
2006.9 | 9 | 69 |
2006.10 | 10 | 52 |
2006.11 | 11 | 46 |
2006.12 | 12 | 72 |